diff --git a/libs/gfx/include/psemek/gfx/mesh.hpp b/libs/gfx/include/psemek/gfx/mesh.hpp
index d77b0f60..47522534 100644
--- a/libs/gfx/include/psemek/gfx/mesh.hpp
+++ b/libs/gfx/include/psemek/gfx/mesh.hpp
@@ -157,7 +157,7 @@ namespace psemek::gfx
 			}
 			else
 			{
-				return sizeof(Attr);
+				return sizeof(typename attrib_traits<Attr>::attrib_type);
 			}
 		}
 
@@ -181,7 +181,7 @@ namespace psemek::gfx
 		{
 			static std::size_t setup()
 			{
-				std::size_t const stride = (0 + ... + attr_size<Attribs>());
+				std::size_t const stride = attr_size<Attr1>() + (0 + ... + attr_size<Attribs>());
 				setup_impl(0, 0, stride);
 				return stride;
 			}